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Re: [rdiff-backup-users] rdiff-backup detects that many files has change

From: Attila Strba
Subject: Re: [rdiff-backup-users] rdiff-backup detects that many files has changed - cifs mount
Date: Thu, 26 Jul 2012 17:59:43 +0200
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:10.0.6esrpre) Gecko/20120713 Thunderbird/10.0.6

Hi Bob,

Thanks for the response. It happens every time. I have disabled SELinux, still the situation didn't improve. Is there a way I could analyse why rdiff thinks the files are different (like the security context)?


Am 26.07.2012 04:55, schrieb Robert Nichols:
On 07/25/2012 10:53 AM, Attila Strba wrote:
Hi Guys,

I am having some trouble using rdiff-backup since I've migrated the backup
scripts to a new CentOS 6.2 Server.
The backup scripts mounts several external remote server drives as CIFs:
mount -t cifs //$SERVER/$share -o username=${USERNAME},password=${PASSWORD}
and does a backup on an external USB HDD:
rdiff-backup --print-statistics /mnt/$SERVER/$share /$TARGET/$SERVER/$share 2>&1

(I know, instead of mounting would be better to use the SSH copy feature of rdiff-backup, but that's how the scripts are and I don't want to install rdiff
packages to the other servers.)
The problem is that rdiff-backup detects many files as changed although they
haven't changed at all.

Was this a one-time occurrence, or do you see that happening every time you
make a backup?  I had that happen once, just once, after I did a full
SELinux relabeling on my system.  Perhaps your new server is assigning a
slightly different security context to CIFS mounts.  This is, of course,
irrelevant if you are running with SELINUX=disabled.

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